Version 4 SHEET 1 2768 804 WIRE 672 -608 -240 -608 WIRE 368 -480 192 -480 WIRE 416 -480 368 -480 WIRE 192 -448 192 -480 WIRE -640 -432 -752 -432 WIRE -480 -432 -560 -432 WIRE -240 -432 -240 -608 WIRE -240 -432 -480 -432 WIRE 80 -432 -240 -432 WIRE 192 -352 192 -368 WIRE 192 -352 -96 -352 WIRE 80 -336 80 -432 WIRE 192 -336 192 -352 WIRE 304 -336 304 -384 WIRE 672 -336 672 -608 WIRE -752 -304 -752 -432 WIRE -96 -256 -96 -352 WIRE -48 -256 -96 -256 WIRE 0 -256 -48 -256 WIRE 464 -256 384 -256 WIRE 624 -256 544 -256 WIRE -240 -176 -240 -432 WIRE 0 -176 -240 -176 WIRE 448 -176 384 -176 WIRE 560 -176 512 -176 WIRE 672 -176 672 -240 WIRE 672 -176 560 -176 WIRE 864 -176 672 -176 WIRE 896 -176 864 -176 WIRE 1008 -176 976 -176 WIRE 1040 -176 1008 -176 WIRE 1168 -176 1120 -176 WIRE 1232 -176 1168 -176 WIRE 1344 -176 1232 -176 WIRE 1408 -176 1344 -176 WIRE 1584 -176 1408 -176 WIRE 1664 -176 1584 -176 WIRE 1744 -176 1664 -176 WIRE 1808 -176 1744 -176 WIRE 1952 -176 1808 -176 WIRE 1232 -160 1232 -176 WIRE 1344 -160 1344 -176 WIRE 864 -128 864 -176 WIRE 0 -96 -576 -96 WIRE 560 -96 560 -176 WIRE 560 -96 384 -96 WIRE 672 -96 672 -176 WIRE -576 -64 -576 -96 WIRE 0 -16 -48 -16 WIRE 624 -16 384 -16 WIRE 864 0 864 -64 WIRE 864 0 672 0 WIRE 672 16 672 0 WIRE -784 32 -944 32 WIRE -576 32 -576 16 WIRE -576 32 -784 32 WIRE -576 48 -576 32 WIRE 0 64 -464 64 WIRE 496 64 384 64 WIRE 1008 64 1008 -176 WIRE 1008 64 496 64 WIRE 496 80 496 64 WIRE 864 96 736 96 WIRE 1168 96 1168 -176 WIRE 1168 96 864 96 WIRE -64 144 -112 144 WIRE 0 144 -64 144 WIRE 496 144 384 144 WIRE 736 144 736 96 WIRE 736 144 496 144 WIRE 864 144 864 96 WIRE 0 224 -112 224 WIRE 864 224 384 224 WIRE -112 272 -112 224 WIRE 864 272 864 224 WIRE 496 384 384 384 WIRE 496 416 496 384 WIRE 656 416 496 416 WIRE 736 416 656 416 WIRE -272 464 -336 464 WIRE 0 464 -272 464 WIRE 496 464 496 416 WIRE 496 464 384 464 WIRE -336 512 -336 464 WIRE -112 544 -208 544 WIRE 0 544 -112 544 WIRE -208 560 -208 544 WIRE -112 560 -112 544 WIRE -112 656 -112 640 WIRE 304 672 304 624 WIRE 80 720 80 624 WIRE 128 720 80 720 WIRE 192 720 192 624 WIRE 192 720 128 720 FLAG 864 352 0 FLAG -752 -224 0 FLAG -480 -368 0 FLAG -336 576 0 FLAG 304 -384 0 FLAG 368 -480 SS FLAG -272 464 SS FLAG 672 16 0 FLAG 1232 -96 0 FLAG 1344 -96 0 FLAG 304 672 0 FLAG -112 720 0 FLAG -208 624 0 FLAG -464 144 0 FLAG -112 272 0 FLAG -48 -16 0 FLAG -576 112 0 FLAG 656 416 DRVSet FLAG -784 32 DRVSet FLAG 128 784 0 FLAG -48 -256 INTVCC FLAG -64 144 INTVCC FLAG 1744 -96 0 FLAG 1808 -176 Vout FLAG 1584 -112 0 FLAG 1664 -112 0 FLAG 1408 -112 0 SYMBOL PowerProducts\\LTC7801 192 160 R0 SYMATTR InstName U1 SYMBOL res 848 128 R0 SYMATTR InstName R1 SYMATTR Value 20k SYMBOL res 848 256 R0 SYMATTR InstName R2 SYMATTR Value 3.8k SYMBOL voltage -752 -320 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 24 SYMBOL res -544 -448 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 1 SYMBOL cap -496 -432 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL cap -352 512 R0 SYMATTR InstName C2 SYMATTR Value 125n SYMBOL res 176 -464 R0 SYMATTR InstName R4 SYMATTR Value 330k SYMBOL cap 512 -192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 0.1n SYMBOL ind 880 -160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 4.7µ SYMBOL cap 1216 -160 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMBOL cap 1328 -160 R0 SYMATTR InstName C5 SYMATTR Value 47µ SYMBOL res 1136 -192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 5.11m SYMBOL cap 480 80 R0 SYMATTR InstName C6 SYMATTR Value 1n SYMBOL cap -224 560 R0 SYMATTR InstName C7 SYMATTR Value 100p SYMBOL res -128 544 R0 SYMATTR InstName R6 SYMATTR Value 4.99k SYMBOL cap -128 656 R0 SYMATTR InstName C8 SYMATTR Value 6.8n SYMBOL res -480 48 R0 SYMATTR InstName R7 SYMATTR Value 34k SYMBOL res -592 -80 R0 SYMATTR InstName R8 SYMATTR Value 100k SYMBOL cap -592 48 R0 SYMATTR InstName C9 SYMATTR Value 0.1µ SYMBOL cap 112 720 R0 SYMATTR InstName C10 SYMATTR Value 4.7µ SYMBOL nmos 624 -336 R0 SYMATTR InstName M1 SYMATTR Value IPA037N08N3 SYMBOL nmos 624 -96 R0 SYMATTR InstName M2 SYMATTR Value IPP084N06L3 SYMBOL res 1728 -192 R0 SYMATTR InstName R9 SYMATTR Value 1.63 SYMBOL cap 1568 -176 R0 SYMATTR InstName C13 SYMATTR Value 22µ SYMBOL cap 1648 -176 R0 SYMATTR InstName C14 SYMATTR Value 22µ SYMBOL cap 1392 -176 R0 SYMATTR InstName C11 SYMATTR Value 22µ SYMBOL res 560 -272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 10 SYMBOL schottky 880 -64 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value MBRS340 SYMATTR Description Diode SYMATTR Type diode TEXT -784 632 Left 2 !.tran 0 4.1m 4m 1µ